diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b67b111..f1b0774 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2410,10 +2410,16 @@
 		return -EINVAL;
 	}
 
-	for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++)
-		if (flags[flag])
+	for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
+		if (flags[flag]) {
 			params->sta_flags_set |= (1<<flag);
 
+			/* no longer support new API additions in old API */
+			if (flag > NL80211_STA_FLAG_MAX_OLD_API)
+				return -EINVAL;
+		}
+	}
+
 	return 0;
 }